Answer: a. could seek an injunction against Watkins on the basis of nuisance.
Step-by-step explanation:
This is a PRIVATE NUISANCE which is the unlawful interference with the use and enjoyment of land.
Vern Brown's use and enjoyment of his property is being hampered by the actions of Watkins.
For this reason, Vern Brown can seek an INJUNCTION against Watkins which would order him to stop, remove, restrain, or restrict the nuisance.